Permitting Authorities / Colorado / Town of Lyons - Building Department

Do you need a permit to replace a roof in Lyons, CO?

Adopted code

Town of Lyons - Building Department

Yes, a permit is required to replace a roof in Lyons, CO, issued by Town of Lyons - Building Department. Permit activity is handled online through SAFEbuilt's Community Core system: applicants can apply for a permit, check permit status, request inspections, and upload documents. A dedicated 2021 Reroof Building Guide is published for roof-replacement permit submittals. An inspection request line is available at 303-774-0454.

Roof code checklist: Lyons, CO

ItemAnswerCode citeSourceVerified
Permit to replace a roofYeslyonscolorado.com2026-07-16
Repair permit thresholdNot published
Layer limit / roof-overNot published
Deck & sheathingNot published
Drip edgeYesR905.2.8.5library.municode.com2026-07-31
Ice & water shieldNolibrary.municode.com2026-07-31
Mid-roof inspectionNot published
Impact-resistant (Class 4) roofingNolibrary.municode.com2026-07-31
Wind design criteriaPublishedlibrary.municode.com2026-07-31
Adopted codePublishedlyonscolorado.com2026-07-16
Contractor license / registrationYeslyonscolorado.com2026-07-16
Sales & use taxPublishedtownoflyons.com2026-07-31

Each row comes from the sourced record on this page; full wording is in the table below. "Not published" means no official source for that item was found when the record was last verified.

Jurisdiction
Town of Lyons, Colorado
Jurisdiction type
city
Address
Lyons, CO
Contact
  • url: https://www.lyonscolorado.com/834/Building-Department
  • phone: 970-545-3512
Permit portal
Roofing permit required
Required
Contractor registration required
Required
Registration details
  • license: A Town of Lyons Contractor License is required to pull a building permit; the license fee is $50 unless the contractor holds a state plumbing or electrician license. Applications are processed through Community Core.
Permit process note
Permit activity is handled online through SAFEbuilt's Community Core system: applicants can apply for a permit, check permit status, request inspections, and upload documents. A dedicated 2021 Reroof Building Guide is published for roof-replacement permit submittals. An inspection request line is available at 303-774-0454.
Adopted code
The Town of Lyons is on the 2021 International Code Council series of building codes and the 2023 National Electrical Code; the Town has adopted the 2024 ICC series, effective July 1, 2026. The Town has also adopted the State of Colorado Wildfire Resiliency Code, effective July 1, 2026, applicable to permits applied for on or after that date.
Drip edge
Required — Not separately amended by the Town of Lyons. § 18-3-40, Modifications to the 2024 IRC, was read in full (40 numbered items, textually exhaustive, reenacted by Ord. No. 1211, 3-16-2026) and contains no R905.2.8.5 item, so the base 2024 IRC drip-edge requirement stands as adopted code. About drip edge
Ice & water shield
Not required — Table R301.2(1) as completed by § 18-3-40 prints "Ice Barrier Underlayment Required" as "NO". About ice & water barrier
Impact-resistant roofing
Not required — Town of Lyons Municipal Code § 18-3-40, Modifications to the 2024 IRC, was read in full (40 numbered items, textually exhaustive) and contains no UL 2218, Class 4, or impact-resistance provision anywhere.
Wind design criteria
Table R301.2(1) as completed by Town of Lyons Municipal Code § 18-3-40 (2024 IRC, Art. 3 repealed/reenacted by Ord. No. 1211, 3-16-2026) prints: Ground Snow Load 30 psf, "Speed (mph)" 140, Topographic effects NO, Special wind region NO, Windborne debris zone NO, Seismic Design Category B, Weathering SEVERE, Frostline depth 30 in, Termite "None to slight", Winter Design Temp 1°, Flood Hazards "See Town Adopted Regulations and FIRM Map", Air Freezing Index 1000, Mean Annual Temp 45°F.
Sales & use tax
9.335% combined effective 01/01/2026 (Town of Lyons 4.0% + Boulder County 1.335% + State 2.9% + RTD 1.0% + SCFD 0.1%), per the Town's own Sales Tax Information Brochure. Statutory town (NOT home-rule) — "As a statutory Town, the Town of Lyons's sales tax is collected by the Colorado Department of Revenue... all sales tax (local, county, district and state) must be remitted to the state." No separate construction materials use tax was found; the Town's Finance page and brochure describe only ordinary point-of-sale sales tax collection, consistent with full state collection and no local use-tax mechanism.

The building permit authority for the Town of Lyons, Boulder County. Building permit administration is handled through SAFEbuilt's Community Core e-permitting system. A Town of Lyons contractor license is required to pull a permit, and the town has adopted the 2021 ICC code series (moving to 2024 effective July 1, 2026) along with the State of Colorado Wildfire Resiliency Code.

Hail reports near Lyons, CO

Reports, last 24 months
3
Largest, last 24 months
1.00 in Jul 28, 2026
Most recent
Jul 28, 2026 1.00 in
Reports, last 5 years
16
5 most recent reports, last 5 years
DateHail sizeDistance
Jul 28, 20261.00 inunder 1 mi
Jun 29, 20251.00 in7 mi N
Jun 17, 20250.75 in9 mi WNW
Jul 20, 20241.25 in7 mi NE
Jul 20, 20241.00 in9 mi ENE

Source: NOAA Storm Prediction Center severe weather database and daily storm reports (reports since the start of the current year are preliminary), within 10 miles of Lyons, CO (Census point). Data through Oct 7, 2026, not updated since. A report is an observation, not a damage record.

Working an insurance claim in Lyons, CO? Everything on this page (drip edge, ice & water shield, inspections, Class 4 rules) formatted as a claim-ready evidence pack: verbatim ordinance quotes, code section cites, verification dates, and official source links, ready to attach to a supplement. See a real sample pack (PDF, 4 pages, free).

Code items like drip edge and ice & water shield are what adjusters ask you to document.

Buy this jurisdiction's pack: $12 Delivered by email within minutes. Digital download: all sales are final once delivered, except for a failed delivery, a defective file, a duplicate purchase, or a pack materially different from its description. See Section 6 of our Terms of Use.

Questions about the Lyons, CO pack?

Not ready to buy, or need a different jurisdiction? Tell us and we’ll reply directly.

By submitting, you agree to our Terms of Use and Privacy Policy.

Sources

Free instant roof estimate — Lyons, CO

Ballpark your replacement in 20 seconds. No phone call required to see the number.

Roofing questions: Lyons, CO

Do you need a permit to replace a roof in Lyons, CO?

Yes, a permit is required to replace a roof in Lyons, CO.

Is ice & water shield required in Lyons, CO?

No. Table R301.2(1) as completed by § 18-3-40 prints "Ice Barrier Underlayment Required" as "NO".

Is drip edge required in Lyons, CO?

Yes. Not separately amended by the Town of Lyons. § 18-3-40, Modifications to the 2024 IRC, was read in full (40 numbered items, textually exhaustive, reenacted by Ord. No. 1211, 3-16-2026) and contains no R905.2.8.5 item, so the base 2024 IRC drip-edge requirement stands as adopted code.

Do roofing contractors need a license or registration in Lyons, CO?

Yes. A Town of Lyons Contractor License is required to pull a building permit; the license fee is $50 unless the contractor holds a state plumbing or electrician license. Applications are processed through Community Core.

What building code does Lyons, CO use?

The Town of Lyons is on the 2021 International Code Council series of building codes and the 2023 National Electrical Code; the Town has adopted the 2024 ICC series, effective July 1, 2026. The Town has also adopted the State of Colorado Wildfire Resiliency Code, effective July 1, 2026, applicable to permits applied for on or after that date.